78434916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19867}}^1$

素因数の和:19928

約数の個数: 48

約数和(自身を含む): 213620736

約数和(自身を除く): 135185820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 19867, 39734, 59601, 79468, 119202, 139069, 238404, 278138, 417207, 556276, 834414, 933749, 1668828, 1867498, 2801247, 3734996, 5602494, 6536243, 11204988, 13072486, 19608729, 26144972, 39217458, 78434916]

約数ペア:

[(1, 78434916), (2, 39217458), (3, 26144972), (4, 19608729), (6, 13072486), (7, 11204988), (12, 6536243), (14, 5602494), (21, 3734996), (28, 2801247), (42, 1867498), (47, 1668828), (84, 933749), (94, 834414), (141, 556276), (188, 417207), (282, 278138), (329, 238404), (564, 139069), (658, 119202), (987, 79468), (1316, 59601), (1974, 39734), (3948, 19867)]